condition	mean	min	max
4 h after light	3.11246	2.56578	3.65914
8 h after light	2.386985	2.33826	2.43571
12 h after light	2.692125	2.52535	2.8589
4 h after dark	3.6345	3.18942	4.07958
8 h after dark	2.69977	2.34191	3.05763
12 h after dark	3.240425	2.64965	3.8312